Segment Information (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Segment Information
Net sales	$ 2,275	$ 2,297	$ 4,183	$ 4,217
Operating Profit (Loss)	392	358	603	602
Other income (expense), net	(45)	(46)	(88)	(90)
Income before income taxes	347	312	515	512
North America
Segment Information
Net sales	1,891	1,872	3,426	3,388
International, principally Europe
Segment Information
Net sales	384	425	757	829
Plumbing Products
Segment Information
Net sales	1,012	1,032	1,952	2,003
Plumbing Products \| North America
Segment Information
Net sales	661	647	1,259	1,252
Plumbing Products \| International, principally Europe
Segment Information
Net sales	351	385	693	751
Decorative Architectural Products
Segment Information
Net sales	827	806	1,400	1,351
Decorative Architectural Products \| North America
Segment Information
Net sales	827	806	1,400	1,351
Decorative Architectural Products \| International, principally Europe
Segment Information
Net sales	0	0	0	0
Cabinetry Products
Segment Information
Net sales	251	268	488	485
Cabinetry Products \| North America
Segment Information
Net sales	251	268	488	485
Cabinetry Products \| International, principally Europe
Segment Information
Net sales	0	0	0	0
Windows and Other Specialty Products
Segment Information
Net sales	185	191	343	378
Windows and Other Specialty Products \| North America
Segment Information
Net sales	152	151	279	300
Windows and Other Specialty Products \| International, principally Europe
Segment Information
Net sales	33	40	64	78
Operating Segments
Segment Information
Net sales	2,275	2,297	4,183	4,217
Operating Profit (Loss)	411	380	646	642
Operating Segments \| Plumbing Products
Segment Information
Net sales	1,012	1,032	1,952	2,003
Operating Profit (Loss)	198	194	351	357
Operating Segments \| Decorative Architectural Products
Segment Information
Net sales	827	806	1,400	1,351
Operating Profit (Loss)	173	145	246	234
Operating Segments \| Cabinetry Products
Segment Information
Net sales	251	268	488	485
Operating Profit (Loss)	33	33	53	39
Operating Segments \| Windows and Other Specialty Products
Segment Information
Net sales	185	191	343	378
Operating Profit (Loss)	7	8	(4)	12
Geographic Areas
Segment Information
Net sales	2,275	2,297	4,183	4,217
Operating Profit (Loss)	411	380	646	642
Geographic Areas \| North America
Segment Information
Net sales	1,891	1,872	3,426	3,388
Operating Profit (Loss)	364	323	566	541
Geographic Areas \| International, principally Europe
Segment Information
Net sales	384	425	757	829
Operating Profit (Loss)	47	57	80	101
Corporate, Non-Segment
Segment Information
General corporate expense, net	$ (19)	$ (22)	$ (43)	$ (40)

Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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